Quick Definition
Ἁρμαγεδών Prop.n. Armageddon
Strong's Definition
of Hebrew origin (2022 and 4023); Armageddon (or Har-Meggiddon), a symbolic name
KJV Usage: Armageddon
UBS Dictionary of the Greek New Testament
noun-name, n. | indeclinable
93.414 · Names of Persons and Places · Places
Armageddon a cryptic place name designating the territory which will be the scene of the final battle of the forces of good and evil
UBS Dictionary of the Greek New Testament © United Bible Societies, licensed CC BY-SA 4.0.
Mounce Concise Greek Dictionary
Ἁρμαγεδών Harmagedōn 1x
Armageddon, Rev. 16:16*
Abbott-Smith Greek Lexicon
Ἁρμαγεδών (WH, Ἃρ Μαγεδών; Rec. Ἀρμαγεδδών, prop. = הַר מְגִדּוֹ), cf. LXX, Μαγεδών, II Ch 35:22, Μαγεδώ, Jg 1:27; Har-Magedon (AV, Armageddon): Re 16:16 (v. Swete, in l., but also Thayer, s.v.).†
Liddell-Scott-Jones — Greek-English Lexicon
Ἀρμαγεδδών (Armageddōn) — Armageddon. Ἁρμαγεδών (WH, Ἃρ Μαγεδών; Rec. Ἀρμαγεδδών, prop. = הַר מְגִדּוֹן), cf. LXX, Μαγεδών, 2Ch.35:22, Μαγεδώ, Jdg.1:27; Har-Magedon (AV, Armageddon): Rev.16:16 (see Swete, in l, but also Thayer, see word).† Ἅρ, indecl., Rev.16:16, see, Ἁρμαγεδών Μαγεδών, Magedon: Rev.16:16 (WH, Ἅρ M. for Ἁρμαγεδών, which see).† (From Abbott-Smith. LSJ has no entry)